Great Smoky Mountains to San Diego: Road Trip Guide & Distance

1926 miles 3099.6 km · straight line
2248 miles actual route 3617.8 km · driving distance
39h 23min estimated drive time
$216 - $266 estimated fuel cost
~4h 22min flight time
274° W bearing direction

How far is Great Smoky Mountains from San Diego?

The distance from Great Smoky Mountains to San Diego is 1926 miles (3099.6 km) as the crow flies. San Diego is located W of Great Smoky Mountains. By car, the driving distance is approximately 2248 miles, taking about 39h 23min. A direct flight would take roughly 4h 22min. Both are located in United States — Great Smoky Mountains in Tennessee and San Diego in California.

This is a serious multi-day road trip! We strongly recommend breaking this journey up with an overnight stay to ensure you arrive safely and refreshed. Since you'll be heading mostly West, pack a good pair of sunglasses if you plan to drive during the late afternoon to avoid the harsh sun glare. For a trip of this distance, flying is significantly faster. However, driving offers the flexibility to explore stops along the way.

Coordinates come from public place data for Great Smoky Mountains and San Diego. The driving distance uses an OSRM road-route result when route data is available. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.

How to Get from Great Smoky Mountains to San Diego

Method Time Est. Cost Best For
Drive 39h 23min $216 - $266 Flexible stops
Fly ~4h 22min $80–200* Speed
Bus ~47h 16min $180–$337* Budget
Train ~51h 12min $270–$787* Comfort

Suggested Stops Between Great Smoky Mountains & San Diego

Quick Facts

Great Smoky Mountains
35.61°N, 83.49°W
America/New_York
2025m elevation
San Diego
32.72°N, 117.16°W
America/Los_Angeles
20m elevation
Explore more routes from San Diego

Did You Know?

  • At walking speed (3 mph), it would take about 642 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 161 hours
  • You could travel this distance about 12.9 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · OSRM